Synonyms: Aspidium domingense; Aspidium multisorum; Aspidium parallelum; Aspidium plumieri; Aspidium psammiosorum; Aspidium purdiaei; Aspidium purdiei; Aspidium trifoliatum (homotypic); Aspidium trifoliatum f. cristata; Aspidium trifoliatum var. amplum; Bathmium trifoliatum (homotypic); Cardiochlaena confluens; Cardiochlaena trilobata; Drynaria cordifolia; Dryopteris trifoliata (homotypic); Nephrodium domingense; Nephrodium purdiaei; Nephrodium purdiei; Nephrodium sherringiae; Polypodium plumieri; Polypodium trifoliatum (homotypic); Polystichum trifoliatum; Sagenia angulata; Sagenia confluens; Tectaria plumieri; Tectaria plumieri var. brasiliensis; Tectaria purdiaei; Tectaria purdiei (homotypic); Tectaria trifoliata f. megasora; Tectaria trifoliata var. menispermifolia